1-49.Each time a meter is set orreset, the clerk will completewhat PS form as a "Receipt for Postage Meter Settings?1.PS Form 3601-A2.PS Form 3602-A3.PS Form 36034.PS Form 36101-50.At the close of business eachday, the ascending anddescending register readingsshould equal the sum of thecontrol number. Whatmathematical operation isused?1.Multiplication2.Division3.Addition4.Subtraction6